... :>85%drive mode:IsolationTechnology:no PFC,constant current,triac dimmable led dirver,Spot lamp drivercurrent accuracy:350mA ≤±3%(can do customized ... contact us in time to reslove it .1. application for LED tubes , led bulbs , led lighting , E27, E24, MR16 spot light PAR30 ,PAR38 ... on UL/CE standard.4. Constant current driver 1-9W LED light.5. Open / short / over-current protection.The product ...